FDA issues urgent warning over clams and oysters after possible norovirus contamination - Restaurants and retailers in nine states are being urged not to sell the potentially contaminated clams ...

To date, there are no approved vaccines or antiviral treatments for human norovirus, the leading cause of acute gastroenteritis outbreaks worldwide with more than 685 million infections each year.

A compound found in seaweed may be able to do what no vaccine has managed to achieve: stop norovirus before it can infect human cells, according to new research. This is the conclusion of a new study ...

The shellfish was distributed in nine states.